/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shardingsphere.infra.url.nacos;

import com.alibaba.nacos.api.NacosFactory;
import com.alibaba.nacos.api.PropertyKeyConst;
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.exception.NacosException;
import lombok.SneakyThrows;
import org.apache.shardingsphere.infra.url.spi.ShardingSphereURLLoader;

import java.io.IOException;
import java.util.Properties;

/**
 * Class path URL loader.
 */
public final class NacosURLLoader implements ShardingSphereURLLoader {

    @Override
   // @SneakyThrows(IOException.class)
    public String load(final String configurationSubject, final Properties queryProps) {
        Properties properties = new Properties();
        properties.put(PropertyKeyConst.SERVER_ADDR, "your-nacos-server-address");
        properties.put(PropertyKeyConst.NAMESPACE, "your-namespace-id");
        properties.put(PropertyKeyConst.USERNAME, "your-username");
        properties.put(PropertyKeyConst.PASSWORD, "your-username");
        ConfigService configService = null;
        try {
            configService = NacosFactory.createConfigService(properties);
            // 配置数据ID
            String dataId = configurationSubject; //"config.yaml";
            // 配置组
            String group = "your-group";

            String config = configService.getConfig(dataId, group, 8000);
            return config;
        } catch (NacosException e) {
            throw new RuntimeException(e);
        } finally {
            if (configService != null) {
                try {
                    configService.shutDown();
                } catch (NacosException e) {
                }
            }
        }

       /* try (InputStream inputStream = Thread.currentThread().getContextClassLoader().getResourceAsStream(configurationSubject)) {
            Objects.requireNonNull(inputStream);
            try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
                return reader.lines().collect(Collectors.joining(System.lineSeparator()));
            }
        }*/
    }

    @Override
    public String getType() {
        return "nacos:";
    }
}
